TUV Rheinland has reportedly certified a new OnePlus charger. However, it is not a super-powered Warp Charge variant as normal for this brand, but supports more conventional 18 watt (W) speeds instead. This, then, may be a new hint that the smartphone OEM is working on its rumored foray into the entry-level market.
https://www.notebookcheck.net/More-signs-of-a-future-with-budget-OnePlus-phones-surface-in-a-new-leak.488015.0.html